<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
    .item1 { grid-area: header; 
        height: 100px;
        

    }
    .item2 { grid-area: menu; }
    .item3 { grid-area: main;
        height: 200px; }
    .item4 { grid-area: right; }
    .item5 { grid-area: footer; }
    .grid-container {
    display: grid;
    grid:
    'header header header header header header'
    'menu main main main main right'
    'menu footer footer footer footer footer';
    grid-gap: 10px;
    background-color: #2196F3;
    padding: 10px;
    }   
    .grid-container > div {
  background-color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 20px 0;
  font-size: 30px;
}
    </style>
</head>
<body>
    <div class="grid-container">
        <div class="item1">头部</div>
        <div class="item2">菜单</div>
        <div class="item3">主要内容区域</div>  
        <div class="item4">右侧</div>
        <div class="item5">底部</div>
      </div>
</body>
</html>